PPT Slide

/* class DrawCanvas (cont’d) . . . */

public void updateCoordinates(int x, int y) {

oldX=mouseX; oldY = mouseY;

mouseX=x; mouseY=y;

repaint();

} // updateCoordinates

public void setDrawing(boolean bDrawing) {

this.bDrawing = bDrawing;

} // setDrawing

public void setClear(boolean bClear) {

this.bClear = bClear;

} // setClear

public boolean getDrawing() {

return bDrawing;

} // getDrawing

public boolean getClear() {

return bClear;

} // getClear